{"title":"Formation of Rectangular Pulses in the Power Supply System of the Inflector Plates of the Nuclotron Booster for Multiple Injection","authors":"N. I. Lebedev, A. S. Petukhov, A. A. Fateev","doi":"10.1134/S1547477125700670","DOIUrl":"10.1134/S1547477125700670","url":null,"abstract":"<p>A two-switch version of the power supply circuit for the inflector plates of the Nuclotron Booster is considered. The circuit makes it possible to form rectangular pulses of the deflection field for multiple injection of ion beams. The results of testing the device on an equivalent load are presented.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"828 - 832"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
E. R. Urazov, M. I. Bryzgunov, V. V. Parkhomchuk, V. B. Reva
{"title":"Longitudinal Phase Space Tomography at NICA Booster Electron Cooling Experiments","authors":"E. R. Urazov, M. I. Bryzgunov, V. V. Parkhomchuk, V. B. Reva","doi":"10.1134/S1547477125700657","DOIUrl":"10.1134/S1547477125700657","url":null,"abstract":"<p>For longitudinal diagnostics a fast current transformer (FCT) was used in the xenon ion beam cooling experiments. Applying tomography methods to the FCT data allowed to calculate the ion distributions in longitudinal phase space for different parameters of the electron cooling system.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"821 - 824"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
P. A. Sidorov, A. P. Kozlov, M. P. Lepkin, I. N. Repkin, A. I. Sidorov, V. S. Shvetsov
{"title":"Calculation and Testing of Thermal Modes of the Collet Input of the NUCLOTRON Magnetic Kicker","authors":"P. A. Sidorov, A. P. Kozlov, M. P. Lepkin, I. N. Repkin, A. I. Sidorov, V. S. Shvetsov","doi":"10.1134/S1547477125700426","DOIUrl":"10.1134/S1547477125700426","url":null,"abstract":"<p>Transmission of pulse power to the magnetic kicker of the Nuclotron of the NICA accelerator complex is examined. In the operating mode, the kicker units, including the collet inputs, are low temperature of about −190°C. It is required to select a conductor material with high electrical conductivity to minimize ohmic losses in passing large currents and low thermal conductivity to limit the rate of heat flow from the external environment to the kicker units. The corresponding calculations and studies, including experimental data, are presented.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"709 - 712"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. V. Lalayan, M. A. Gusarova, T. A. Lozeeva, S. M. Polozov, V. L. Shatokhin, S. V. Matsievsky, I. R. Kalieva, Y. V. Shashkov, A. V. Butenko, E. M. Syresin, Y. S. Tamashevich, G. V. Trubnikov, D. S. Bychanok, A. E. Sukhotski, G. I. Walynets, A. Gilev, E. A. Gurnevic, S. A. Maksimenko, A. I. Pobol, A. A. Burin, V. S. Petrakovsky, A. I. Pokrovsky, I. L. Pobol, V. G. Zaleski
{"title":"Experimental 325 MHz Section with Superconducting Cavities of Linac for the Injection Facility of the NICA Project","authors":"M. V. Lalayan, M. A. Gusarova, T. A. Lozeeva, S. M. Polozov, V. L. Shatokhin, S. V. Matsievsky, I. R. Kalieva, Y. V. Shashkov, A. V. Butenko, E. M. Syresin, Y. S. Tamashevich, G. V. Trubnikov, D. S. Bychanok, A. E. Sukhotski, G. I. Walynets, A. Gilev, E. A. Gurnevic, S. A. Maksimenko, A. I. Pobol, A. A. Burin, V. S. Petrakovsky, A. I. Pokrovsky, I. L. Pobol, V. G. Zaleski","doi":"10.1134/S1547477125700281","DOIUrl":"10.1134/S1547477125700281","url":null,"abstract":"<p>Scientific institutes from Russia and the Republic of Belarus have been collaborating on superconducting accelerating cavities for the new LILac (Light Ion Linac) modular linac injector since 2015 [1–3]. The injector is intended for the ion collider within the framework of the Nuclotron NICA project. (Joint Institute for Nuclear Research (JINR), Dubna, Russian Federation). The development of high-frequency superconductivity technologies is a key task of Russian–Belarusian cooperation. Three cavities (one prototype and two test samples) have been fabricated and tested in cold conditions in 2023 [4], [5]. Two cavities and a cryomodule for four cavities are being developed jointly with the Institute of Modern Physics (IMP, Lanzhou, China). This article reports on the creation of an experimental bench, testing cavities, and the results of modeling the dynamics of particles for several beam transport channel layouts when arranging a cryomodule as part of an injection complex accelerator.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"641 - 645"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
F. A. Emanov, K. V. Astrelina, V. V. Balakin, D. E. Berkaev, Yu. M. Boimelshtain, D. Yu. Bolkhovityanov, A. R. Frolov, G. V. Karpov, A. S. Kasaev, N. N. Lebedev, A. E. Levichev, S. L. Samoylov, R. Z. Mamutov, G. N. Baranov, A. I. Mikayilov, S. V. Tambovtsev
{"title":"Status of VEPP-5 Injection Complex","authors":"F. A. Emanov, K. V. Astrelina, V. V. Balakin, D. E. Berkaev, Yu. M. Boimelshtain, D. Yu. Bolkhovityanov, A. R. Frolov, G. V. Karpov, A. S. Kasaev, N. N. Lebedev, A. E. Levichev, S. L. Samoylov, R. Z. Mamutov, G. N. Baranov, A. I. Mikayilov, S. V. Tambovtsev","doi":"10.1134/S154747712570030X","DOIUrl":"10.1134/S154747712570030X","url":null,"abstract":"<p>The VEPP-5 injection complex is a source of electron and positron beams for the VEPP-2000 and VEPP-4 complexes and is considered as an injector for the future collider project. The performance of the complex is sufficient for current users, but needs to be improved to serve future setups. Work is underway at the injection complex to improve the stability of operation and ease of use. Current achievements and planned improvements of the injection complex are described.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"650 - 653"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
G. A. Karamysheva, S. V. Gursky, O. V. Karamyshev, D. V. Popov, V. A. Malinin, I. D. Lyapin, A. A. Sinitsa
{"title":"Cyclotron Virtual Prototyping","authors":"G. A. Karamysheva, S. V. Gursky, O. V. Karamyshev, D. V. Popov, V. A. Malinin, I. D. Lyapin, A. A. Sinitsa","doi":"10.1134/S1547477125700402","DOIUrl":"10.1134/S1547477125700402","url":null,"abstract":"<p>Virtual prototyping (VP) is a design method based on computer-aided design (CAD) technologies. VP involves working with a prototype of the entire product at all stages of development, from the early stages to completion. To implement the VP method in the cyclotron development process, we created a Matlab based platform [1] that integrates distributed VP components and provides a mechanism for their interaction. The main software components used in cyclotron development include CAD (Solidworks [2]), various CST Studio modules [3], and analysis and tracing programs that were previously developed in Matlab and are now optimized and adapted for new tasks.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"699 - 703"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yu. K. Osina, I. V. Gorbunov, V. G. Mudrolyubov, K. E. Smirnov
{"title":"Optimization of Design and Characteristics of a 18-MeV Proton Cyclotron","authors":"Yu. K. Osina, I. V. Gorbunov, V. G. Mudrolyubov, K. E. Smirnov","doi":"10.1134/S1547477125700505","DOIUrl":"10.1134/S1547477125700505","url":null,"abstract":"<p>The new project developed by AO NIIEFA aims at creating a cost-optimized cyclotron for the production of radionuclides directly at medical centers. The cyclotron is designed to generate protons in the energy range of 12–18 MeV with an output beam current of 150 µA. The cyclotron will be equipped with an internal source of negative hydrogen ions. The median plane of the shell-type electromagnet is horizontal. The resonant system operates at the second harmonic of the ion revolution frequency, 40.68 MHz.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"749 - 753"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. A. Kashcheev, Ya. A. Kolesnikov, S. S. Savinov, N. Sh. Singatulina, I. N. Sorokin, S. Yu. Taskaev
{"title":"Cockroft–Walton Generator as a Power Supply for the Vacuum Insulated Tandem Accelerator","authors":"A. A. Kashcheev, Ya. A. Kolesnikov, S. S. Savinov, N. Sh. Singatulina, I. N. Sorokin, S. Yu. Taskaev","doi":"10.1134/S1547477125700591","DOIUrl":"10.1134/S1547477125700591","url":null,"abstract":"<p>The accelerator-based neutron source, VITA, operated at the Budker Institute of Nuclear Physics is actively used for both the generation of epithermal neutron fluxes for the development of boron–neutron capture therapy and the generation of fast neutron fluxes for radiation testing of advanced materials. The demand for such neutron sources intended for a wide range of applications, including the testing of new boron-targeted drugs and irradiation of cell cultures and laboratory animals for the development of boron neutron capture therapy, was driving the development of a less powerful but compact neutron source that can be used research groups to carry out such research on a continuous basis. The basic idea is to use a Cockcroft–Walton generator rather than a sectioned rectifier connected to a vacuum-insulated tandem accelerator through a feedthrough insulator and to place it in the upper vacuum part of the feedthrough insulator, removing the lower gas part of the feedthrough insulator, which significantly reduces the size and cost of the installation. The Cockcroft-Walton symmetric cascade multiplier is described, its characteristics are presented, and the results of computer modeling of the ideal and equivalent circuits, test results of the cascade voltage multiplier, and plans for further research are reported and discussed.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"794 - 797"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
V. B. Reva, A. M. Batrakov, O. V. Belikov, E. A. Bekhtenev, M. I. Bryzgunov, A. V. Bubley, R. V. Vakhrushev, A. D. Goncharov, K. M. Gorchakov, I. A. Gusev, A. P. Denisov, A. V. Ivanov, A. A. Zharikov, G. V. Karpov, M. N. Kondaurov, V. M. Konstantinov, V. Ya. Korchagin, V. I. Kremnev, N. S. Kremnev, P. E. Muratkoziev, A. V. Pavlenko, V. M. Panasyuk, V. V. Parkhomchuk, A. V. Petrozhitskiy, V. A. Polukhin, L. S. Pospolita, S. P. Pospolita, D. N. Pureskin, A. A. Put’makov, S. I. Ruvinsky, D. V. Sen’kov, D. N. Skorobogatov, E. R. Urazov, V. A. Chekavinskiy, V. G. Cheskidov, S. V. Shiyankov, K. S. Shtro, L. M. Schegolev
{"title":"High Energy Electron Cooling System for the NICA Collider","authors":"V. B. Reva, A. M. Batrakov, O. V. Belikov, E. A. Bekhtenev, M. I. Bryzgunov, A. V. Bubley, R. V. Vakhrushev, A. D. Goncharov, K. M. Gorchakov, I. A. Gusev, A. P. Denisov, A. V. Ivanov, A. A. Zharikov, G. V. Karpov, M. N. Kondaurov, V. M. Konstantinov, V. Ya. Korchagin, V. I. Kremnev, N. S. Kremnev, P. E. Muratkoziev, A. V. Pavlenko, V. M. Panasyuk, V. V. Parkhomchuk, A. V. Petrozhitskiy, V. A. Polukhin, L. S. Pospolita, S. P. Pospolita, D. N. Pureskin, A. A. Put’makov, S. I. Ruvinsky, D. V. Sen’kov, D. N. Skorobogatov, E. R. Urazov, V. A. Chekavinskiy, V. G. Cheskidov, S. V. Shiyankov, K. S. Shtro, L. M. Schegolev","doi":"10.1134/S1547477125700542","DOIUrl":"10.1134/S1547477125700542","url":null,"abstract":"<p>Electron cooling of ion beams plays a key role in the NICA collider project. To achieve the required luminosity, it is important to ensure effective cooling during beam accumulation and the experiment. To this end, the NICA complex design provides stochastic and two electron-cooling systems. The electron cooler for the NICA booster manufactured at the Budker Institute of Nuclear Physics (BINP SB RAS) has already shown its efficiency at the injection energy. Some basic concepts underlying the construction of a 2.5 MeV cooler for collider NICA that can operate at the experiment energy to increase the luminosity of the complex are described.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"769 - 774"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. M. Barnyakov, A. E. Levichev, S. L. Samoilov, D. I. Chekmenyov
{"title":"Using a Traveling Wave Cavity to Power a Diaphragm Waveguide-Based Accelerating Section","authors":"A. M. Barnyakov, A. E. Levichev, S. L. Samoilov, D. I. Chekmenyov","doi":"10.1134/S1547477125700566","DOIUrl":"10.1134/S1547477125700566","url":null,"abstract":"<p>A power supply circuit for an accelerating section (AS) based on a diaphragm waveguide with a traveling wave cavity (TWC) is presented. The calculation of the accelerating field in an AS when working with a TWC is presented<i>.</i> To match the waveguide path with a TWC, the main characteristics are chosen. Calculations for different lengths of AS are carried out, and the optimal length of AS is determined.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"779 - 782"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}